What is this?

weigner

New member
I have these little brown discs all over my sand. They have almost taken over my sabdbed and are starting up the walls.

They are about 1-2mm round in size.

Any idea as to what these are?

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109174IMG_7529.JPG
 

RadReef

New member
Probably a type of acoel flatworm or planarian, use flatworm exit product and it kills them for a time, you have to redose :) You can buy it at marine depot, or maybe your LFS....
 

wrott

New member
Have you search pics of red flat worms(planaria)?
They are not harmeful, but can irritate corals. They are photosynthetic and reproduce according to nutrients and flow.
I've had/have them, but they don't bother anything if you have very good flow. And fish will eat them.
 

thegrun

Team RC
Some have had luck with a 6 line wrasse, mine didn't touch them when I had them. Flatworm eXit worked great for me.
 
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